See also:

• Science: Environment: Energy: Petroleum in the Environment  (48)
• Science: Environment: Pollution Prevention and Recycling  (139)
• Society: Issues: Environment: Activism  (31)

• Chem Trail Tracking USA - Yahoo group for members to report chemical trail activity in your area on a real-time basis. To share information on aircraft involved and substance being sprayed.
• Emgergency Planning for Chemical Spills - Tutorial on the Community Right-To-Know Act (EPCRA), emergency response planning information, and facility and firefighter chemical spill emergency instructions.
• The I Want Clean Air Site - Free donation site to save trees by retiring polluting sulphur-dioxide emissions. Provides information and resources.
• Mothers for Clean Air - Non-profit organization concerned with air pollution in the Houston-Galveston Texas area and its effects on children's health. Provides newsletter, events and air quality information.